# Introduction of Statistics in R

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## Summary Statistics

### What is statistics?

What can statistics do?

What can't statistics do?

Instead...

But...

Type of statistics

Types of data

Numeric (Quantitative)

Categorical (Qualitative)

Categorical data can be represented as numbers

### Measures of centers

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Mean

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Median

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Mode

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Summary of Sleep Statistics for Insectivores

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### Measures of spread

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Variance function

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Standard desviation

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Mean absolute deviation

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Standard deviation vs. mean absolute deviation

Quartiles

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Boxplots use quartiles

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Quantiles

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Interquartile range (IQR)

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Outliers

Finding outliers

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## Random Numbers and Probability

### What are the chances?

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Sampling without replacement

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Setting a random seed

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Sampling with replacement in R

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### Discrete distribution

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